Picun H9 Bluetooth Headphones with Microphone, Wireless Sport Earbuds with Mic, Splashproof & Sweatproof, Stereo Music Earphones, Handfree Headset for Gym/Working Out/Running (Black Gray) ADVANCED TECHNOLOGY: The wireless earphones with Bluetooth 4.1 gives you a quick access to other electronics.CVC6.0 noise cancellation technology let you get high quality music. ERGONOMICS DESIGN: The lightweight & flexible neckback cable and comfortable rubber-made earmuffs are specially for wearing for all day comfort and easily carrying when traveling. WATER-RESISTANT: These headphones are sweatproof and waterproof with PC material shell,which is extremely suitable for athletic enthusiasts when running, cycling, biking, hiking and etc. WATER-RESISTANT: These headphones are sweatproof and waterproof with PC material shell,which is extremely suitable for athletic enthusiasts when running, cycling, biking, hiking and etc.SO EASY TO USE: The power, volume, song selection and telephone controls are all right on the wireless Bluetooth earphones, making these the most convenient Bluetooth earbuds. SO EASY TO USE: The power, volume, song selection and telephone controls are all right on the wireless Bluetooth earphones, making these the most convenient Bluetooth earbuds.UNIVERSAL COMPATIBILITY: Great Wireless Headphones is compatible with iPhone, iPad, Samsung Galaxy, Android Smartphones and tablets, laptops and all popular Bluetooth devices. UNIVERSAL COMPATIBILITY: Great Wireless Headphones is compatible with iPhone, iPad, Samsung Galaxy, Android Smartphones and tablets, laptops and all popular Bluetooth devices.. User Manual